InChI=1/C18H16N4O5S/c1-26-10-7-8-14(27-2)13(9-10)19-15(23)16(24)21-22-17(25)11-5-3-4-6-12(11)20-18(22)28/h3-9H,1-2H3,(H,19,23)(H,20,28)(H,21,24)/p-1/fC18H15N4O5S/h19,21H/q-1 271F44F868881141